Read Panasonic CQ-JA1920L / CQ-JA1924L Service Manual online
General
Power Supply
DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground
Current Consumption
Less than 4.0A
Power Output
12W×12W
Speaker Impedance
4
Ω
AM Radio
Frequency Range
531 - 1,6020kHz
Signal to Noise Ratio
23dB(µV) (S/N 20dB)
FM Stereo Radio
Frequency Range
87.5 - 108.0MHz
Usable Sensitivity
5dB/µV (S/N 30dB)
CD Player
Signal to Noise Ratio
More than 90dB
Channel Separation
More than 80dB
2001 Communication
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is a of .
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AUDI
CQ-JA1920L
CQ-JA1924L
CQ-JA1920L
CQ-JA1924L
AM/FM MPX ELECTRONIC TUNING
RADIO
RADIO
with
Stereo
Cassette
Tape
Player and CD Player
AUDI No. (CQ-JA1920L) : 8D0 035 195E
AUDI No. (CQ-JA1924L) : 8Z0 035 196
VEHICLE (CQ-JA1920L) : Audi A4
VEHICLE (CQ-JA1924L) : Audi A2
DESTINATION : Europe
SALE DATE : May., 2000
Total Harmonic Distortion
Less than 0.02%
Tape Player
Reproduction System
4-Track, 2-Program Stereo
Tape Speed
1-7/8” (4.76cm/sec)
Signal to Noise Ratio
More than 42dB
Wow and Flutter
0.09% (WRMS)
Stereo Separation
More than 30dB
Dimensions**
178×164.5×110mm
* Specifications and the design are subject to possible modification
without notice due to improvements.
without notice due to improvements.
** Dimensions and Weight shown are approximate.
Doldy noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
Laboratories Licensing Corporation.
“Dolby” and the double-D symbol
are trade marks of Dolby
Laboratories Licensing Corporation.
AUTOMOTIVE ELECTRONICS
Specification
ORDER No. AED0101023
1
FEATUERS
2
2
LASER PRODUCTS
2
3
REAR VIEW AND CONNECTORS
2
4
FRONT VIEW AND FUNCTIONS
3
5
ALIGNMENT INSTRUCTIONS
4
6
ALIGNMENT POINTS
4
7
WIRING CONNECTION
5
8
BLOCK DIAGRAM
6
9
TERMINALS DESCRIPTION
8
10 PACKAGE AND IC BLOCK DIAGRAM
12
1 FEATUERS
∙
PLL (Phase Locked Loop) synthesized tuning.
∙
24-station preset (12-AM, 12-FM).
∙
RDS function.
∙
Diversity function.
∙
Dolby Noise Reduction System.
∙
CD changer control.
∙
BOSE specification correspondence.
∙
Anti-theft system.
∙
CAN-BUS I/F.
11 REPLACEMENT PARTS LIST
16
12 EXPLODED VIEW (Unit)
25
13 CD PLAYER PARTS
26
14 EXPLODED VIEW (CD Deck)
28
15 TAPE PLAYER PARTS
29
16 EXPLODED VIEW (Tape Deck)
30
17 WIRING DIAGRAM
31
18 SCHEMATIC DIAGRAM -1
40
19 SCHEMATIC DIAGRAM -2
41
2 LASER PRODUCTS
CONTENTS
Page
Page
3 REAR VIEW AND CONNECTORS
2
AUDI / CQ-JA1920L / CQ-JA1924L
4 FRONT VIEW AND FUNCTIONS
3
AUDI / CQ-JA1920L / CQ-JA1924L
∙
Power Supply Voltage : DC13.2V
∙
Output Impedance : 4
Ω
∙
Output Power : 0.5W
∙
Balance, Fader Control : center
∙
Bass, Treble Control : Center
∙
Dolby NR: OFF
5 ALIGNMENT INSTRUCTIONS
5.1. Alignment Conditions
Note :
Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the
factory.
factory.
5.2. Dolby NR Alignment
Step
Alignment Item
Test Tape
VTVM Connection
Adjust
Remarks
(1)
DOLBY NR Rch
RFKZ0038
TP271
VR271
Adjust for 388mV ±0.5dB
(2)
DOLBY NR Lch
RFKZ0038
TP371
VR371
Adjust for 388mV ±0.5dB
6 ALIGNMENT POINTS
4
AUDI / CQ-JA1920L / CQ-JA1924L